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-rw-r--r--arch/x86/kvm/mmu.c6
-rw-r--r--arch/x86/kvm/paging_tmpl.h2
2 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index d5455b1b725f..91a194667432 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3228,7 +3228,6 @@ static void mmu_guess_page_from_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
kvm_release_pfn_clean(pfn);
return;
}
- vcpu->arch.update_pte.gfn = gfn;
vcpu->arch.update_pte.pfn = pfn;
}
@@ -3275,9 +3274,8 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
/*
* Assume that the pte write on a page table of the same type
- * as the current vcpu paging mode. This is nearly always true
- * (might be false while changing modes). Note it is verified later
- * by update_pte().
+ * as the current vcpu paging mode since we update the sptes only
+ * when they have the same mode.
*/
if ((is_pae(vcpu) && bytes == 4) || !new) {
/* Handle a 32-bit guest writing two halves of a 64-bit gpte */
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 6bccc24c4181..b3862eeabb8a 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -339,8 +339,6 @@ static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
pgprintk("%s: gpte %llx spte %p\n", __func__, (u64)gpte, spte);
pte_access = sp->role.access & FNAME(gpte_access)(vcpu, gpte);
- if (gpte_to_gfn(gpte) != vcpu->arch.update_pte.gfn)
- return;
pfn = vcpu->arch.update_pte.pfn;
if (is_error_pfn(pfn))
return;
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